Suppose a Potentially Hazardous Asteroid is discovered with the following proper

Question

Suppose a Potentially Hazardous Asteroid is discovered with the following properties: What would the Torino scale ranking of this object be? Suppose a 10-meter diameter rocky meteoroid were found on a certain collision course with Earth. It will hit Earth with a velocity of 20 km/s. What would the Torino scale ranking be for this object? You can use the Solar Systems Collisions website (http://janus.astro.umd.edu/astro/impact/) to determine impact energy. It is the year 2870 and your great-great-great-....-greatgranddaughter has refined the orbit of asteroid 1950DA. She there is a 99% chance of 1950DA hitting Earth in 10 years (in 2880). Given that asteroid 1950DA is a rocky asteroid 1.2km in diameter, which method should your descendant propose to mitigate the chance of impact?

Explanation / Answer

23. An asteroid with the given properties come under the ranking 3 on Torino scale since 1 or greater than 1% capacble of destruction is classified as 3 in scale. Hence, 3 merits attention is needed. Therefore, the correct answer is 3-merits attention by astronomers.

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